{"id":80599,"date":"2026-09-08T15:25:56","date_gmt":"2026-09-08T15:25:56","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/"},"modified":"2026-09-08T15:26:18","modified_gmt":"2026-09-08T15:26:18","slug":"refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/","title":{"rendered":"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19"},"content":{"rendered":"<p>Refurbished 835955-B21 Technical Specifications<\/p>\n<p>HP 16GB 1X16GB 2666MHz PC4-21300 CL19 ECC Registered Dual Rank X8 1.2V DDR4 SDRAM 288-Pin RDIMM Memory Module For Gen10 Server.<\/p>\n<p>GENERAL INFORMATION:<\/p>\n<p>Manufacturer: HP<\/p>\n<p>Manufacturer Part Number: 835955-B21<\/p>\n<p>Product Name: 16GB DDR4 SDRAM Memory Module<\/p>\n<p>TECHNICAL INFORMATION:<\/p>\n<p>Storage Capacity: 16GB<\/p>\n<p>Memory Technology: DDR4 SDRAM<\/p>\n<p>Number Of Modules: 1 X 16GB<\/p>\n<p>Bus Speed: 2666MHZ DDR4-21300\/PC4-21300<\/p>\n<p>Data Integrity Check: ECC<\/p>\n<p>Signal Processing: Registered<\/p>\n<p>Cas Latency Timings: CL19<\/p>\n<p>Rank Features: Dual Rank X8<\/p>\n<p>PHYSICAL CHARACTERISTICS:<\/p>\n<p>Form Factor: 288-Pin RDIMM<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Refurbished 835955-B21 Overview<\/p>\n<p>Use HP server memory options to improve the performance of your ProLiant servers and data centers. Infrastructure matters. It\u2019s the foundation for all the information and applications of your business. You trust ProLiant quality for its reliability and performance to keep your infrastructure running. Server memory is one of the most critical components; even the slightest defect can result in downtime that could shut down your business. Choose HP server memory options for the same quality integration reliability and confidence that come with ProLiant.<\/p>\n","protected":false},"featured_media":80600,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[302],"product_cat":[9471,347,610],"product_tag":[612,270,271,651,272,479,274,275,276],"class_list":["post-80599","product","type-product","status-publish","has-post-thumbnail","product_brand-hpe-hewlett-packard","product_cat-hpe-refurbished-memory-ram","product_cat-refurbished","product_cat-refurbished-memory-ram","product_tag-16gb-ram","product_tag-ddr4-ram","product_tag-ecc-registered","product_tag-hp-memory-ram","product_tag-memory-ram","product_tag-pc4-21300","product_tag-rdimm","product_tag-sdram","product_tag-server-memory","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19 - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19 - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"Refurbished 835955-B21 Overview Use HP server memory options to improve the performance of your ProLiant servers and data centers. Infrastructure matters. It\u2019s the foundation for all the information and applications of your business. You trust ProLiant quality for its reliability and performance to keep your infrastructure running. Server memory is one of the most critical components; even the slightest defect can result in downtime that could shut down your business. Choose HP server memory options for the same quality integration reliability and confidence that come with ProLiant.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T15:26:18+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Refurbished-HP-835955-B21.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/\",\"name\":\"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19 - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Refurbished-HP-835955-B21.jpg\",\"datePublished\":\"2026-09-08T15:25:56+00:00\",\"dateModified\":\"2026-09-08T15:26:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Refurbished-HP-835955-B21.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Refurbished-HP-835955-B21.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/\",\"name\":\"Geek Tech Sol\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/geektechsol.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19 - Geek Tech Sol","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/","og_locale":"en_US","og_type":"article","og_title":"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19 - Geek Tech Sol","og_description":"Refurbished 835955-B21 Overview Use HP server memory options to improve the performance of your ProLiant servers and data centers. Infrastructure matters. It\u2019s the foundation for all the information and applications of your business. You trust ProLiant quality for its reliability and performance to keep your infrastructure running. Server memory is one of the most critical components; even the slightest defect can result in downtime that could shut down your business. Choose HP server memory options for the same quality integration reliability and confidence that come with ProLiant.","og_url":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/","og_site_name":"Geek Tech Sol","article_modified_time":"2026-09-08T15:26:18+00:00","og_image":[{"width":800,"height":800,"url":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Refurbished-HP-835955-B21.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/","url":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/","name":"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19 - Geek Tech Sol","isPartOf":{"@id":"https:\/\/geektechsol.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/#primaryimage"},"image":{"@id":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/#primaryimage"},"thumbnailUrl":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Refurbished-HP-835955-B21.jpg","datePublished":"2026-09-08T15:25:56+00:00","dateModified":"2026-09-08T15:26:18+00:00","breadcrumb":{"@id":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/#primaryimage","url":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Refurbished-HP-835955-B21.jpg","contentUrl":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Refurbished-HP-835955-B21.jpg","width":800,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-835955-b21-hp-16gb-1x16gb-2666mhz-pc4-21300-cl19\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/geektechsol.com\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/geektechsol.com\/index.php\/shop\/"},{"@type":"ListItem","position":3,"name":"Refurbished 835955-B21 HP 16GB 1X16GB 2666MHz PC4-21300 CL19"}]},{"@type":"WebSite","@id":"https:\/\/geektechsol.com\/#website","url":"https:\/\/geektechsol.com\/","name":"Geek Tech Sol","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/geektechsol.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product\/80599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/comments?post=80599"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/media\/80600"}],"wp:attachment":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/media?parent=80599"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=80599"},{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=80599"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=80599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}